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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6700K @ 4.00GHz vs Intel Core i7-5820K @ 3.30GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.


×Intel Core i7-6700K @ 4.00GHz×Intel Core i7-5820K @ 3.30GHz+ ADD
Price$295.99
BUY NOW!		$199.99
BUY NOW!
Socket TypeLGA1151LGA2011-v3
CPU ClassDesktopDesktop
Clockspeed4.0 GHz3.3 GHz
Turbo SpeedUp to 4.2 GHzUp to 3.6 GHz
# of Physical Cores4 (Threads: 8)6 (Threads: 12)
Max TDP95W140W
Yearly Running Cost$17.34$25.55
First Seen on ChartQ2 2015Q2 2014
# of Samples131944172
Cross-Platform Rating1664821146
Single Thread Rating25352000
CPU Mark89829651

CPU Mark Rating
As of 10th of July 2020 - Higher results represent better performance
Intel Core i7-6700K @ 4.00GHz
 8,982
Intel Core i7-5820K @ 3.30GHz
 9,651
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 10th of July 2020 - Higher results represent better value
Intel Core i7-6700K @ 4.00GHz
 30.35
Intel Core i7-5820K @ 3.30GHz
 48.26
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 10th of July 2020 - Higher results represent better performance
Intel Core i7-6700K @ 4.00GHz
 2,535
Intel Core i7-5820K @ 3.30GHz
 2,000
PassMark Software © 2008-2020

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Core i7-6700K @ 4.00GHzIntel Core i7-5820K @ 3.30GHz
Max TDP95W140W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.